National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS56 KOTX 011429 CCA
CLMEAT

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
417 AM PDT SAT JUN 1 2013

...................................

MAY 2013 BROUGHT A WIDE VARIETY OF WEATHER TO NORTH CENTRAL
WASHINGTON.  AFTER A COLD START ON THE MORNING OF THE
1ST...TEMPERATURES JUST GOT WARMER AND WARMER EVERY DAY THROUGH THE
10TH.  A STRONG RIDGE OF HIGH PRESSURE BROUGHT TEMPERATURES TYPICAL
OF LATE JULY OR AUGUST WITH HIGH TEMPERATURES PEAKING ON THE 8TH
THROUGH THE 10TH WHERE WENATCHEE AIRPORT REACHED THE LOWER 90S.
THIS HEAT WAVE ENDED ON THE 12TH WITH TEMPERATURES TRENDING DOWNWARD
FOR THE REST OF THE MONTH.  FROM THE 13TH THROUGH THE 20TH
TEMPERATURES COOLED TO NEAR NORMAL VALUES.  ISOLATED THUNDERSTORMS
DEVELOPED ON THE 17TH AROUND WENATCHEE...EPHRATA...AND COULEE DAM.
ON THE 21ST THROUGH THE 29TH A MUCH COOLER AND UNSETTLED PERIOD
FOLLOWED.  A STRONG WEATHER SYSTEM PASSING THROUGH ON THE 21ST AND
22ND BROUGHT HEAVY RAIN TO WENATCHEE.  ISOLATED THUNDERSTORMS ON THE
21ST ADDED TO THESE RAINFALL AMOUNTS.  OVER THE TWO DAY PERIOD THE
WENATCHEE AIRPORT RECEIVED 1.20 INCHES OF RAIN...WELL ABOVE THE
MONTHLY AVERAGE RAINFALL OF JUST 0.68 INCHES.  THE HEAVY RAIN WAS
FAIRLY WIDESPREAD WITH MANSON PICKING UP 1.06 INCHES...ENTIAT 1.00
INCH...AND 0.93 INCHES OMAK.

NUMEROUS RECORDS WERE SET DURING THE MONTH AT THE WENATCHEE
AIRPORT.  ON THE 10TH THE HIGH TEMPERATURE OF 92 DEGREES SET A
RECORD FOR THE DATE.  ON THE 11TH AND 12TH RECORD HIGH MINIMUM
TEMPERATURES OF 62 AND 65 DEGREES WERE SET RESPECTIVELY.  ON THE
21ST THE DAILY TOTAL OF 0.65 INCHES OF RAIN TIED THE RECORD FOR THE
DATE.  THE NEXT DAY ON THE 22ND THE RAINFALL RECORD WAS BROKEN WHERE
0.55 INCHES OF RAIN FELL.  THIS WAS NOT THE ONLY RECORD FOR THE
DATE.  THE HIGH TEMPERATURE ONLY REACHED 51 DEGREES SETTING A RECORD
FOR THE COLDEST READING FOR THE DATE.

...THE WENATCHEE WA PANGBORN FIELD CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1959 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             103   05/31/1986
 LOW               32   05/12/1985
HIGHEST            92   05/10        MM      MM       91  05/15
LOWEST             35   05/01        MM      MM       37  05/10
AVG. MAXIMUM     72.8              71.1     1.7     70.1
AVG. MINIMUM     49.3              48.4     0.9     47.5
MEAN             61.0              59.8     1.2     58.8
DAYS MAX >= 90      3               1.0     2.0        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.02   1998
 MINIMUM         0.00   2003
TOTALS           1.35              0.68    0.67     0.16
DAILY AVG.       0.04              0.02    0.02     0.01
DAYS >= .01         7               5.5     1.5        3
DAYS >= .10         2               2.0     0.0        1
DAYS >= .50         2               0.2     1.8        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.94   05/21 TO 05/22           05/03 TO 05/03


DEGREE_DAYS
COOLING TOTAL      57               109     -52       20
 SINCE 1/1         60               147     -87       26
....................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    32/250    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    40/260    DATE  05/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     47

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$